Our selection of some of the best news photographs taken around the world during the past 24 hours.

Image copyrightCarlo Allegri/reutersImage caption
Film director Clint Eastwood laughs as he arrives for the National Board of Review gala in the Manhattan borough of New York.

Image copyrightHussein Malla/apImage caption
A Syrian boy looks out through his tent door at a refugee camp in Deir Zannoun village, east Lebanon. A storm brought rain and hail to Lebanon's coast and heavy snows in the mountains and central Bekaa Valley, where petrol stations, banks, schools and most shops closed.

Image copyrightEduard Korniyenko/reutersImage caption
Russian Cossacks, dressed in a traditional uniform, guard the area outside the Kazan Cathedral, where an Orthodox Christmas service is being held, during a heavy snowfall in Stavropol.

Image copyrightKim Kyung-Hoon/reutersImage caption
Visitors take pictures while beluga whales and their trainers present The heart of Ocean show during the Harbin Ice Festival in China.

Image copyrightBrian Snyder/reutersImage caption
A 220-year-old time capsule containing coins, documents and other artefacts left by US founding fathers Samuel Adams and Paul Revere was opened by Massachusetts officials on Tuesday.

Image copyrightNavesh Chitrakar/reutersImage caption
Nepal's capital, Kathmandu, has introduced women-only buses in an attempt to reduce sexual harassment on public transport. The initiative will start with four 16-seater buses, which run on a popular east-west route across the city during peak morning and evening hours.

Image copyrightYAHYA ARHAB/epaImage caption
At least 30 people have been killed and many others injured by a car bomb blast outside a police academy in Yemen's capital, Sanaa, officials say. The vehicle exploded beside dozens of cadets and people standing in line to enrol at the academy. Some unconfirmed reports said it was a suicide attack.